Samsung Dishwasher Error Code 7E
On WaterWall models, the reflector that sweeps the spray across the bottom of the tub is stuck or not moving as expected, so washing stops and cleaning would be poor anyway. On a newly installed machine it is often just the packing tape that was never removed.
Also shown as: 7C
Common causes
- Packing tape still on the reflector from installation
- Reflector fitted in the wrong position
- A dish, utensil, or debris blocking the reflector's path
- Reflector motor or position sensor failure
What to check, in order
- Open the machine and look along the bottom for the reflector bar and any tape still holding it.
- Check nothing tall or fallen is sitting in the reflector's track.
- Make sure the reflector sits in its correct position and can slide by hand.
- Restart the cycle, and if the bar still does not move on an unobstructed track, book service.
Clear the code and test
- Fix what the checks above found first — a filter cleaned, a hose straightened, the spray arms freed. Clearing the code without fixing the cause only brings it back.
- Close the door, plug the dishwasher back in (or restore its breaker) and make sure the water tap is open.
- Run the shortest programme and stay nearby for the first minutes, watching for leaks and listening for the drain pump.
- If the programme finishes with no code, the fault is cleared. If the code returns, write down the code and when it appeared before calling a technician — it speeds up the diagnosis.
When to call a professional
Most cases are solved by the checks above. Book a technician if any of these apply:
- The code comes back after you have run the checks and a test cycle.
- You smell burning, see sparks or scorch marks, or the breaker trips.
- Water is leaking and you cannot stop it at the tap.
- The fix needs panels opened beyond what your manual describes, or a part tested with a meter, and you are not set up for that.
When you call, give the brand, the code 7E, your model number (on a label inside the door or on the back) and the checks you already ran. It shortens the visit.
Parts that may be involved
WaterWall reflectorReflector motor
Parts are model-specific. Find your model number first — usually on a label inside the door, on the door frame or on the back — and match the part to that number before ordering.
Questions people ask about 7E
What does 7E mean on a Samsung dishwasher?
7E means: WaterWall reflector error: the moving spray bar cannot travel properly. On WaterWall models, the reflector that sweeps the spray across the bottom of the tub is stuck or not moving as expected, so washing stops and cleaning would be poor anyway. On a newly installed machine it is often just the packing tape that was never removed.
Can I fix Samsung 7E myself?
Usually, yes. Code 7E is rated DIY-friendly: the checks on this page cover the common causes and use basic household items only. If the code returns after the checks and a test cycle, book a technician.
How do I clear Samsung 7E?
Fix the cause first — clearing the code on its own brings it straight back. Then restore power and water, run the shortest programme, and watch the stage where the code appeared. If the programme finishes with no code, it is cleared.
Sources checked
- Samsung support: washing machine information codes
- Samsung support: dishwasher information codes
- Samsung support (US): dishwasher troubleshooting
The meaning and checks for this code were checked against the sources above in November 2026. Codes vary by model and region; if your manual lists a different meaning for your exact model, follow the manual.